Tokyo to San Ramon time converter

San Ramon is 16 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 5:00 PM (Tue, Oct 20) in San Ramon.

Tokyo JST

Wednesday, October 21, 2026

San Ramon PDT

Tuesday, October 20, 2026

Tokyo
Japan
Wed, Oct 21
JSTUTC+9
San Ramon
California, United States
Tue, Oct 20
PDTUTC-7-16h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to San Ramon conversion table

Every hour of today in Tokyo and the matching time in San Ramon. Light rows are typical working hours (9:00–18:00).

TokyoSan Ramon
12:00 AM8:00 AM−1 day
1:00 AM9:00 AM−1 day
2:00 AM10:00 AM−1 day
3:00 AM11:00 AM−1 day
4:00 AM12:00 PM−1 day
5:00 AM1:00 PM−1 day
6:00 AM2:00 PM−1 day
7:00 AM3:00 PM−1 day
8:00 AM4:00 PM−1 day
9:00 AM5:00 PM−1 day
10:00 AM6:00 PM−1 day
11:00 AM7:00 PM−1 day
12:00 PM8:00 PM−1 day
1:00 PM9:00 PM−1 day
2:00 PM10:00 PM−1 day
3:00 PM11:00 PM−1 day
4:00 PM12:00 AM
5:00 PM1:00 AM
6:00 PM2:00 AM
7:00 PM3:00 AM
8:00 PM4:00 AM
9:00 PM5:00 AM
10:00 PM6:00 AM
11:00 PM7:00 AM

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Tokyo (5:00 PM – 6:00 PM in San Ramon).

Daylight saving time and the difference

The difference changes during the year because Tokyo and San Ramon switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -16h
  • Nov 1, 2026 – Mar 14, 2027: -17h
  • Mar 14, 2027 – Oct 21, 2027: -16h

Distance

Tokyo and San Ramon are 8,303 km (5,159 miles) apart in a straight line.

More conversions

San Ramon to TokyoTokyo to New YorkTokyo to LondonTokyo to Los AngelesTokyo to ChicagoTokyo to TorontoTokyo to São PauloTokyo to ParisTokyo to BerlinTokyo to MoscowTokyo to DubaiTokyo to New DelhiTokyo to Bangkok
New York to San RamonLondon to San RamonLos Angeles to San RamonChicago to San RamonToronto to San RamonSão Paulo to San RamonParis to San RamonBerlin to San RamonMoscow to San RamonDubai to San RamonNew Delhi to San RamonBangkok to San Ramon

Questions and answers

What is the time difference between Tokyo and San Ramon?

San Ramon is 16 hours behind Tokyo.

What time is it in San Ramon when it is 9 AM in Tokyo?

When it is 9:00 AM in Tokyo, it is 5:00 PM (Tue, Oct 20) in San Ramon.

When is the best time to call San Ramon from Tokyo?

Both sides are at work from 9:00 AM – 10:00 AM in Tokyo (5:00 PM – 6:00 PM in San Ramon).

Does the time difference between Tokyo and San Ramon change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.